Search Results

B-Myb-Dependent Regulation of c-Myc Expression by Cytosolic Phospholipase A2

Cytosolic phospholipase A(2) (cPLA(2)) cleaves membrane phospholipids to release arachidonic acid, initiating lipoxygenase and cyclooxygenase pathways. Mice lacking a gene for cPLA(2) suggested important roles of the protein in allergic responses,...

Authors: Tashiro S, Sumi T, Uozumi N, Shimizu T and Nakamura T

Engineering RENTA, a DNA prime-MVA boost HIV vaccine tailored for Eastern and Central Africa

For the development of human immunodeficiency virus type 1 (HIV-1) vaccines, traditional approaches inducing virus-neutralizing antibodies have so far failed. Thus the effort is now focused on elicitation of cellular immunity. We are currently...

Authors: Nkolola JP, Wee EG, Im EJ, Jewell CP, Chen N, Xu XN, McMichael AJ and Hanke T

The immunosuppressant rapamycin represses human immunodeficiency virus type 1 replication

The immunosuppressive macrolide rapamycin is used in humans to prevent graft rejection. This drug acts by selectively repressing the translation of proteins that are encoded by an mRNA bearing a 5'-polypyrimidine tract (e.g., ribosomal proteins,...

Authors: Roy J, Paquette JS, Fortin JF and Tremblay MJ

The Kaposi's sarcoma-associated herpesvirus (KSHV/HHV-8) K1 protein induces expression of angiogenic and invasion factors

Kaposi's sarcoma-associated herpesvirus (KSHV/HHV-8) has been linked to Kaposi's sarcoma, primary effusion lymphoma, and multicentric Castleman's disease. In addition to endothelial cells and B lymphocytes, KSHV also has been shown to infect...

Authors: Wang L, Wakisaka N, Tomlinson CC, DeWire SM, Krall S, Pagano JS and Damania B

Fas-associated Factor 1, FAF1, is a member of fas death-inducing signaling complex

FAF1 has been introduced as a Fas-binding protein. However, the function of FAF1 in apoptotic execution is not established. Based on the fact that FAF1 is a Fas-binding protein, we asked if FAF1 interacted with other members of the Fas-death-inducing...

Authors: Ryu SW, Lee SJ, Park MY, Jun JI, Jung YK and Kim E

Wnt/beta-catenin signaling is sufficient and necessary for synovial joint formation

A critical step in skeletal morphogenesis is the formation of synovial joints, which define the relative size of discrete skeletal elements and are required for the mobility of vertebrates. We have found that several Wnt genes, including Wnt4, Wnt14,...

Authors: Guo X, Day TF, Jiang X, Garrett-Beal L, Topol L and Yang Y

Src and Cas are essentially but differentially involved in angiotensin II-stimulated migration of vascular smooth muscle cells via extracellular signal-regulated kinase 1/2 and c-Jun NH2-terminal kinase activation

Angiotensin II (Ang II) plays an important role in several cardiovascular diseases associated with vascular smooth muscle cell (VSMC) growth and migration. Src activity is known to be required for the migration of a number of cell types. p130Cas was...

Authors: Kyaw M, Yoshizumi M, Tsuchiya K, Kagami S, Izawa Y, Fujita Y, Ali N, Kanematsu Y, Toida K, Ishimura...

Endothelial cells stimulate T cell NFAT nuclear translocation in the presence of cyclosporin A: involvement of the wnt/glycogen synthase kinase-3beta pathway

T cells resistant to the immunosuppressive drug cyclosporin A (CsA) may be important mediators of chronic graft rejection. We previously reported that T cells activated in the presence of endothelial cells (EC) develop resistance to CsA, and initiate...

Authors: Salazar Murphy LL and Hughes CCW

Nuclear export of OLIG2 in neural stem cells is essential for ciliary neurotrophic factor-induced astrocyte differentiation

Neural stem cell (NSC) differentiation is precisely controlled by a network of transcription factors, which themselves are regulated by extracellular signals (Bertrand, N., D.S. Castro, and F. Guillemot, 2002. Nat. Rev. Neurosci 3:517-530; Shirasaki,...

Authors: Setoguchi T and Kondo T

CD28 engagement promotes actin polymerization through the activation of the small Rho GTPase Cdc42 in human T cells

Engagement of the costimulatory molecule CD28 is an important step in the optimal activation of T cells. Nevertheless, the specific role of CD28 in the formation of the immunological synapse and cytoskeletal changes that occur upon TCR/CD3 complex...

Authors: Salazar-Fontana LI, Barr V, Samelson LE and Bierer BE

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